JPH06227308A - Service car - Google Patents

Abstract

PURPOSE:To provide a multipurpose type service car that is able to meet any operation using electricity and air at the outdoors so speedily by way of mounting a dynamoelectric welder and an air compressor at all times. CONSTITUTION:A dynamoelectric welder 11, an air compressor, a waste oil tank 14 and a water tank 15 are all attached to an underfloor frame of a vehicle. In succession, a hydraulic pump is driven by a power takeoff shaft of a car transmission, and a hydraulic motor for those of dynamoelectric welder and compressor by dint of hydraulic pressure discharged out of the hydraulic pump. A storage unit 16 is installed at the floor top front side of a vehicle, and a radio-controllable hydraulic crane 18 is installed in the rear via a rear body 7. In addition, repairing equipment including a tool box 21, a gas cylinder 23, an automatic takeup reel, various pumps, etc., and an oil changer or the like are all stored in this storage unit 16. Then, an underfloor tool box 26 and a wash-hand cock 27 are in the sidepiece of the vehicle. Furthermore, one side of a rainproof tent 36 is attached to a boom 34 of the crane 18, and the other side is attached to a work objective machine by means of a magnet 38.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a service car for performing work using electricity and air on a service target machine outdoors.

[0002]

2. Description of the Related Art Conventionally, when carrying out work such as parts removal, repair, adjustment, oil change, etc. on a machine to be serviced such as a heavy machine in the field, it is necessary to take care to cope with various works. As much equipment and equipment as possible, such as a power generator welding machine with an engine, an air compressor with an engine, an oil can, and a water tank, are placed on the platform and transported to the site.

[0003]

[Problems to be Solved by the Invention] Conventionally, at a service base, each time necessary equipment is mounted on a luggage carrier and transported to the site, and after returning to the service base, the equipment is unloaded from the luggage carrier to prepare for the next departure. Therefore, it takes time and labor to load and unload the equipment.

Further, a large and heavy engine-integrated generator welder and an air compressor must be mounted on the cargo bed, and the limited cargo space cannot be effectively used. There are also problems such as impairing stable driving and generating noise from individual engines. If the truck bed space is limited, there is also the inconvenience of having to make multiple round trips between the service base and the site after arriving at the work site to pick up the insufficient equipment and equipment each time. .

The present invention has been made in view of the above circumstances, and can always be equipped with equipment necessary for performing work using electricity and air on a machine to be serviced outdoors, and can also support a cargo space. The purpose of the present invention is to provide a multi-function service car configured so as to sufficiently secure the vehicle. It is another object of the present invention to provide an environment-friendly multi-function service car that is configured to constantly collect antifreeze liquid containing waste oil and organic solvents.

[0006]

According to a first aspect of the present invention, there is provided a service car which uses electricity and air for a machine to be serviced in a field, and is provided under a floor of a vehicle from a transmission of a vehicle engine. A service car having a hydraulic transmission driven by a pulled-out power take-off shaft, a power generator welder provided under the floor of a vehicle and operated by the hydraulic transmission, and an air compressor.

According to a second aspect of the present invention, in the service car of the first aspect, a storage unit is provided on the floor of the vehicle together with a loading platform, and at least a repair work device is stored, and the loading unit is mounted on the loading platform. It is a service car with a crane added.

According to a third aspect of the present invention, there is provided a service car according to the first aspect, further comprising a waste oil tank and a water tank provided under the floor of the vehicle.

[0009]

According to the first aspect of the present invention, the power take-off shaft pulled out from the transmission of the vehicle engine drives the hydraulic transmission device under the vehicle floor, and the hydraulic transmission device operates the power generator welder and the air compressor under the vehicle floor. To do. Welding is performed by a generator welder, and the electric power is used to operate electric tools and the like. The air pressure discharged from the air compressor operates air pumps, air tools, etc.

According to the second aspect of the invention, various repair work is performed by the repair work equipment inside the storage unit. In addition, a crane will load and unload heavy goods.

According to the third aspect of the invention, the waste oil after oil exchange and the used antifreeze liquid can be constantly collected in the waste oil tank under the floor of the vehicle. In addition, cooling water (antifreeze) is supplied from the water tank to the radiator of the service target machine.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

FIG. 1 shows an example of this service car. A power generator welding machine 11 is installed in the center of the underfloor of the vehicle, an air compressor 13 and a waste oil tank 14 are installed in the left and right parts of the underfloor, and a water tank is installed in the rear of the underfloor. 15 are mounted.

The power generation welding machine 11 is constructed by integrally forming a generator portion 11a and a welding portion 11b. The waste oil tank 14 is a tank for collecting not only used waste oil such as engine oil and hydraulic circuit hydraulic oil but also used antifreeze liquid containing an organic solvent. Furthermore, the water tank 15
Contains new cooling water (antifreeze).

At the front side of the floor of the vehicle, there is provided a storage unit 16 in which at least repair work equipment is stored, and at the rear side of the storage unit 16, a loading platform 17 is provided.
A hydraulically operable hydraulic crane 18 is mounted at the rear of the vehicle. This rear bodywork crane has a good visibility during operation.

In the storage unit 16, a tool box 21, a gas cylinder 23 such as oxygen and acetylene gas used for gas cutting, a power cord, a welding cable, various automatic winding reels 24 for gas hoses and air hoses 24 , Equipment for repair work consisting of electric tools and air tools (both not shown), etc., automatic winding reels for hydraulic hoses, greasing hoses and water supply hoses, refueling, draining,
It also contains oil exchange devices such as electric or air pumps for lubrication and water supply, grease guns, etc. and cooling water exchange devices, so that oil exchange of engine oil or target machine hydraulic circuit hydraulic oil, grease It is easy to greasing and replacing the radiator cooling water. The storage unit
Doors 25 are provided on at least both left and right side surfaces of 16.

A plurality of underfloor tool boxes 26 and a hand washing cock 27 are provided on the side surface of the vehicle. Further, folding steps 28 are attached to the insides of the left and right tilting doors 17a of the loading platform 17, and when the tilting doors 17a are opened, this step 28
When it is also opened, it is possible to safely get on and off the platform 17 by stepping on this step 28.

In the hydraulic crane 18, a swing column 33 is rotatably provided on a crane mount 32 at the rear of the vehicle having a hydraulic oil tank 31 built therein, and a boom 34 is vertically rotated with respect to the swing column 33. The boom 35 is freely supported, and the hook 35 at the tip of the wire hangs from the tip of the boom 34. One side of the rain avoiding tent 36 is attached to the boom 34 of the hydraulic crane 18 by a magnet 37 or the like, and the other side of the tent 36 is attached to a service target machine by a magnet 38.

FIG. 2 shows a hydraulic circuit for driving a power generator welding machine and a compressor. A power take-off gear 43 is provided on a side portion of a transmission 42 attached to a vehicle engine 41, and a power taken out from the power take-off gear 43. A hydraulic pump 45 of a hydraulic transmission is connected to the take-off shaft 44, and a discharge pipe line of the hydraulic pump 45 is connected to a hydraulic motor 47 for a power generator welding machine and a hydraulic motor 48 for a compressor of the hydraulic transmission via a switching valve 46. ing. 49 is a hydraulic oil tank of this hydraulic circuit.

FIG. 3 shows an example of the arrangement of the above-mentioned devices mounted on the vehicle frame 51 under the floor. The hydraulic pump 4 connected to the power take-off shaft 44 inside the vehicle frame 51.
5, the power generation welding machine 11 and the water tank 15 are arranged, and the air compressor 13, the waste oil tank 14, and the outside of the vehicle frame 51.
A plurality of tool boxes 26 and a hydraulic oil tank 49 for hydraulic transmission are arranged.

The operation of this embodiment will now be described. When performing field service on a target machine such as a heavy machine, this service car is stopped near the target machine and the side power take-off shaft of the vehicle transmission 42 is stopped. The hydraulic pump 45 of the hydraulic power transmission device is driven by 44, and the hydraulic pressure discharged from the hydraulic pump 45 is guided to one of the hydraulic motors 47, 48 by the switching valve 46 to drive the generator welding machine 11 or the air compressor 13.

The generator portion 11a of the generator welder 11 is used as a power source for an electric pump, an electric tool, a lighting fixture, a vehicle-mounted refrigerator, a heating cabinet or an office automation equipment. The air compressor 13 is used as a pneumatic tool such as an air tool used for attaching and detaching bolts, an air pump (diaphragm pump), and an air cleaner.

In addition, the repair work equipment in the storage unit 16 allows a wide range of repairs such as electric welding, gas cutting, electric tools and air tools in outdoor heavy equipment service,
Perform work such as work. In addition, the hydraulic crane 18 loads and unloads the engine, transmission, hydraulic cylinder, or the like of the machine to be serviced onto or from the platform 17.

Further, by means of oil exchange devices, various oil cans (not shown) on the waste oil tank 14 and the loading platform 17 mounted on the vehicle and the engine oil pan of the machine to be serviced or the hydraulic oil tank for the hydraulic circuit are connected. Between the engine oil or hydraulic circuit hydraulic oil,
Grease the bearings, etc. of the service target machine with grease, and also exchange cooling water (antifreeze liquid) for the radiator with cooling water exchange devices. At that time, not only the waste oil after the oil exchange but also the used antifreeze liquid containing the organic solvent is collected in the waste oil tank 14 under the floor of the vehicle. In addition, cooling water (antifreeze) is supplied from the water tank 15 to the radiator of the service target machine.

As another example of driving the power generation welding machine 11 and the air compressor 13, the transmission is used.
The power generation welder 11 is mechanically connected to the power take-off shaft 44 of 42, and the generator portion 11a and the air compressor 13
You may make it electrically connect with the electric motor which drives.

[0026]

According to the invention described in claim 1, since the rotational power of the power take-off shaft of the vehicle engine is effectively utilized to operate the power generator welder and the air compressor by the hydraulic transmission device, Can be installed under the floor of the vehicle by making it compact and lightweight, and it is possible to promptly handle various jobs by always installing the above equipment required for field service using electricity and air to the service target machine, And a sufficient cargo space can be secured. Furthermore, by providing a power generator welder and an air compressor under the floor of the vehicle to lower the center of gravity of the vehicle, stable running is possible. In addition, the hydraulic transmission device can prevent the generation of noise.

According to the invention of claim 2, claim 1
Combined with the fact that a sufficient cargo space can be secured by the same configuration as in (1), it is possible to carry a large heavy object, exchange and repair, etc., by means of a crane and repair work equipment.

According to the third aspect of the present invention, since the waste oil tank and the water tank, which are conventionally occupied by the cargo bed, are provided under the floor of the vehicle, the cargo bed space can be effectively used and the waste oil can be used accordingly. It is possible to always collect the used antifreeze liquid containing the organic solvent and the organic solvent in the waste oil tank.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a service car of the present invention.

FIG. 2 is a hydraulic circuit diagram for driving a power generator welder and a compressor of the above service car.

FIG. 3A is a plan view showing an arrangement example of each device attached to a vehicle frame, and B is a side view thereof.

[Explanation of symbols]

 11 Power generator welder 13 Air compressor 14 Waste oil tank 15 Water tank 16 Storage unit 17 Loading platform 18 Crane 41 Vehicle engine 42 Transmission 44 Power take-off shaft 45 to 48 Hydraulic transmission

Claims (3)

[Claims] 1. A hydraulic power transmission driven by a power take-off shaft, which is provided under the floor of a vehicle and is pulled out from a transmission of a vehicle engine, in a service car that uses electricity and air for a machine to be serviced outdoors. A service car, comprising: an apparatus, a power generator welder provided under the floor of a vehicle, and operated by the hydraulic transmission, and an air compressor. 2. In a service car that uses electricity and air for a machine to be serviced outdoors, hydraulic transmission driven by a power take-off shaft provided under the floor of the vehicle and pulled out from a transmission of the vehicle engine. An electric generator welder and an air compressor that are provided under the floor of the vehicle and that are operated by the hydraulic transmission; and a storage unit that is provided on the floor of the vehicle together with a loading platform and that stores at least repair work equipment, A service car characterized by comprising a crane mounted on a loading platform. 3. A hydraulic power transmission driven by a power take-off shaft, which is provided under the floor of a vehicle and is pulled out from a transmission of a vehicle engine, in a service vehicle that uses electricity and air for a machine to be serviced outdoors. A service car, comprising: a device, a power generator welder and an air compressor provided under the floor of the vehicle and operated by the hydraulic transmission, and a waste oil tank and a water tank provided under the floor of the vehicle.